Water cooler



FIG. 1 is a top, front and side perspective view of one preferred embodiment of the water cooler of the present invention;

FIG. 2 is a front perspective view of the water cooler shown in FIG. 1;

FIG. 3 is a left side view of the water cooler shown in FIG. 1;

FIG. 4 is a right side view of the water cooler shown in FIG. 1;

FIG. 5 is a top perspective view of the water cooler shown in FIG. 1;

FIG. 6 is a bottom perspective view of the water cooler shown in. FIG. 1; and,

FIG. 7 is a rear, perspective view of the water cooler shown in FIG. 1.

The broken lines in the drawing depict portions of the water cooler that form no part of the claimed design. 

CLAIM The ornamental design for a water cooler, as shown and described. 